Table Of Contents - Siemens SINUMERIK 840D sl Function Manual

Table of contents

Preface.........................................................................................................................................................3
1 Fundamental safety instructions...................................................................................................................9
1.1 General safety instructions.......................................................................................................9
1.2 Warranty and liability for application examples........................................................................9
1.3 Industrial security...................................................................................................................10
2 Brief description..........................................................................................................................................13
3 Detailed description....................................................................................................................................15
3.1 Definition of a synchronized action........................................................................................15
3.2 Components of synchronized actions....................................................................................16
3.2.1 Validity, identification number (ID, IDS).................................................................................16
3.2.2 Frequency (WHENEVER, FROM, WHEN, EVERY)..............................................................17
3.2.3 G command (condition)..........................................................................................................18
3.2.4 Condition................................................................................................................................19
3.2.5 G command (action)...............................................................................................................19
3.2.6 Action (DO)............................................................................................................................20
3.3 System variables for synchronized actions............................................................................20
3.3.1 Reading and writing...............................................................................................................21
3.3.2 Operators and arithmetic functions .......................................................................................22
3.3.3 Type conversions...................................................................................................................25
3.3.4 Marker/counter ($AC_MARKER)...........................................................................................26
3.3.5 Parameters ($AC_PARAM)....................................................................................................27
3.3.6 R parameters ($R).................................................................................................................28
3.3.7 Machine and setting data ($$M, $$S)....................................................................................29
3.3.8 Timer ($AC_TIMER)...............................................................................................................30
3.3.9 FIFO variables ($AC_FIFO)...................................................................................................31
3.3.10 Path tangent angle ($AC_TANEB).........................................................................................36
3.3.11 Override ($A...OVR)...............................................................................................................36
3.3.12 Capacity evaluation ($AN_IPO ... , $AN/AC_SYNC ... , $AN_SERVO).................................38
3.3.13 Working-area limitation ($SA_WORKAREA_ ... )...................................................................41
3.3.14 SW cam positions and times ($$SN_SW_CAM_ ...)..............................................................41
3.3.15 Path length evaluation / machine maintenance ($AA_TRAVEL ... , $AA_JERK ... )..............42
3.3.16 Polynomial coefficients, parameters ($AC_FCT ...)...............................................................43
3.3.17 Overlaid movements ($AA_OFF)...........................................................................................45
3.3.18 Online tool length compensation ($AA_TOFF)......................................................................48
3.3.19 Current block in the interpolator ($AC_BLOCKTYPE, $AC_BLOCKTYPEINFO,
$AC_SPLITBLOCK)...............................................................................................................51
3.3.20 Initialization of array variables (SET, REP)............................................................................54
3.3.21 Grinding-specific system variables ($AC_IN_KEY_G...)........................................................54
3.3.22 Status Synchronized action disabled ($AC_SYNA_STATE)..................................................57
3.4 User-defined variables for synchronized actions...................................................................58
3.5 Language elements for synchronized actions and technology cycles...................................60
Synchronized actions
Function Manual, 08/2018, 6FC5397-5BP40-6BA2
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